72" Kevlar boot laces won't fray, unravel or break
You won't find a more durable boot/shoe lace. These laces are so strong, they will outlast your work boots. Constructed of the same Kevlar material that bulletproof vests are made of, they are guaranteed not to fray, unravel or break. 72" length for 8" work boots. USA made.
2014 Master Catalog: Page 273